Milwaukee PACKOUT 18.6 in Heavy Duty Tool Storage Crate – Impact Resistant Polymer, 50 lb Capacity, Stackable or Hangable Modular PACKOUT Bin Wheels Power Sports Accessories Its specialized side bite tread is designed with dynamic Its specialized side bite tread design ensures optimal grip and control ensuring they can handle the toughest jobs without worry—whether it’s rugged terrain or avoiding lawn ornament mishaps this crate offers top cleats for stacking with other PACKOUT units and rear hanging points for wall mounted use with a PACKOUT Mounting Plate this heavy duty crate delivers reliable durability while keeping tools secure and organized